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authorSaravana Kannan <saravanak@google.com>2020-03-24 22:53:02 +0300
committerDaniel Lezcano <daniel.lezcano@linaro.org>2020-05-23 01:03:25 +0300
commit7a3768c206a006525afc090f92d4d618d8356b92 (patch)
tree0984b01e1b5a2f1505cca7320505a4e10bd1571d /drivers/clocksource
parent7d7de1a65349811b24971c5e8e040e6aac192dd4 (diff)
downloadlinux-7a3768c206a006525afc090f92d4d618d8356b92.tar.xz
clocksource/drivers/timer-versatile: Clear OF_POPULATED flag
The commit 4f41fe386a94 ("clocksource/drivers/timer-probe: Avoid creating dead devices") broke the handling of arm,vexpress-sysreg [1]. The arm,vexpress-sysreg device is handled by both timer-versatile.c and drivers/mfd/vexpress-sysreg.c. While the timer driver doesn't use the device, the mfd driver still needs a device to probe. So, this patch clears the OF_POPULATED flag to continue creating the device. [1] - https://lore.kernel.org/lkml/20200324175955.GA16972@arm.com/ Fixes: 4f41fe386a94 ("clocksource/drivers/timer-probe: Avoid creating dead devices") Signed-off-by: Saravana Kannan <saravanak@google.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200324195302.203115-1-saravanak@google.com
Diffstat (limited to 'drivers/clocksource')
-rw-r--r--drivers/clocksource/timer-versatile.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/clocksource/timer-versatile.c b/drivers/clocksource/timer-versatile.c
index e4ebb656d005..f5d017b31afa 100644
--- a/drivers/clocksource/timer-versatile.c
+++ b/drivers/clocksource/timer-versatile.c
@@ -6,6 +6,7 @@
#include <linux/clocksource.h>
#include <linux/io.h>
+#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/sched_clock.h>
@@ -22,6 +23,8 @@ static int __init versatile_sched_clock_init(struct device_node *node)
{
void __iomem *base = of_iomap(node, 0);
+ of_node_clear_flag(node, OF_POPULATED);
+
if (!base)
return -ENXIO;